Science

Sunday, 12 July 2026
13 facts about tears
13 facts about tears
Multipurpose liquid
Associated with emotions, tears are a product of lacrimal glands, found in the eyes of most terrestrial vertebrates. Although their primary function i ...

Did you know?

Cosmos
The largest canyon both on Mars and in the entire Solar System is Valles Marineris, which stretches 400 kilometers, is 200 kilometers wide, and 10 kilometers deep.
The canyon is located just below the Martian equator.
Read all facts
lava
The temperature of lava, depending on its composition, can range from 700 to 1,200 °C.
Beyond Earth, lava can reach even higher temperatures; the record holder is Io, Jupiter's moon, where satellites have recorded lava flows with an average temperature of 1,300 °C (2,370 °F).
Read all facts
Silver
The use of silver is very wide, mainly as a precious metal.
925 silver alloyed with copper is used to make jewelry, dishes and cutlery, medals, and musical inst ...
Find out more
Silver
Silver has been used in photographic technology.
It is used there to obtain silver halides (primarily silver bromide) used as photosensitive substances.
Read all facts
Fungi
Fungi, next to animals (Animalia) and plants (Plantae), form a separate, large kingdom of eukaryotic living organisms.
They occur in all climatic zones, mainly on land, but also in water, both salty and fresh.The actual ...
Find out more
Amber
It has been used as a gemstone since antiquity.
Once polished, it glistens and resembles a gemstone.
Read all facts
Nicotine
Research on the therapeutic effects of nicotine is a very young field of knowledge because so far the focus has been on its negative impact on the body.
Psychiatrists have long wondered why almost 90 percent of patients with schizophrenia and depression ...
Find out more
Graphene
In diamond, each of carbon’s four valence electrons is involved in the formation of such bonds.
As a result, diamond is a transparent, non-reactive insulator, and graphite is a black conductor, susceptible to chemical modifications.
Read all facts
Deimos
The Swift Crater is 1 km in diameter while the Voltaire Crater is 1.9 km in diameter.
They are located close to each other in the northern hemisphere, right near the prime meridian.
Read all facts
Nicotine
There is a claim that nicotine is a highly addictive substance.
However, in the world of science, these opinions are very divergent. According to the latest reports ...
Find out more
17 facts about Titan
17 facts about Titan
The largest of Saturn’s satellites
Titan is the only moon in the Solar System with such a dense atmosphere. It is the second largest moon in the Solar System after Ganymede (Jupiter III ...
18 facts about amber
18 facts about amber
Fossilized tree resin
Amber is one of the most interesting natural products. It looks like a gemstone, but it is a fossilized tree resin from ancient trees dating back mill ...
16 facts about liver
16 facts about liver
24/7 laboratory
The liver is one of the most essential human organs. It is extensively multitasking—it produces, filtrates, converts, and stores. It is thanks to the ...
29 facts about NASA
29 facts about NASA
For the Benefit of All
The Cold War, although a grim period in world history, brought an intense rivalry in a space race between the U.S., and the Soviet Union. As a result, ...
16 facts about Aurora
16 facts about Aurora
Northern light that has delighted people for centuries
Auroras can be different. Sometimes it is bright and dancing, shimmering with different colors, sometimes it appears still. It has always fascinated p ...
19 facts about Brain
19 facts about Brain
Organic supercomputer
The brain is one of the most important and most fascinating and complex organs in the human body. It is an incredibly plastic command center that over ...
16 facts about Phobos
16 facts about Phobos
The larger of two moons of Mars
We do not know the exact origin of this satellite. We know, however, that it is dangerously close to its planet and is in for a catastrophe. It is not ...
Previous